A method for removing sodium from a hydrorefining agent carrier
A technology for hydrofining preparations and carriers, which is applied in catalyst carriers, chemical instruments and methods, catalyst activation/preparation, etc., can solve the problem of large amount of waste water discharge, reduce waste liquid discharge, ensure sodium removal efficiency, and shorten the removal of sodium. Effects of sodium time
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Embodiment 1
[0036] Use ammonium sulfate 1 as the solute, at 2m 3 Prepare an aqueous ammonium salt solution with a mass fraction of 5% in the dissolution tank, and inject the prepared aqueous ammonium salt solution into three 1m 3 In the exchange tank (one-stage exchange tank 7, two-stage exchange tank 8, three-stage exchange tank 9), each exchange tank injects 600kg of ammonium salt solution. Control the temperature of each exchange tank at 55-65° C., add 120 kg of hydrofinishing agent carrier 4 into the hanging basket 3, add it into the primary exchange tank 7, and soak for 30 minutes. After the hanging basket is taken out from the primary exchange tank 7, 20 kg of the exchange liquid in the primary exchange tank 7 is discharged, and at the same time, the prepared fresh ammonium salt solution 6 is added to the primary exchange tank 7, and its mass ratio is higher than that of the discharged part. 2% more exchange fluid. Add the hydrogenation preparation carrier 4 in the hanging basket ...
Embodiment 2
[0039] Use ammonium carbonate as the solute, at 2m 3 Prepare an aqueous ammonium salt solution with a mass fraction of 5% in the dissolution tank, and inject the prepared aqueous ammonium salt solution into three 1m 3 In the exchange tank, each exchange tank is injected with 600kg of ammonium salt solution. Control the temperature of the exchange tank at 55-65°C, add 120kg of the hydrofinishing agent carrier into the hanging basket, add it to the primary exchange tank, and soak for 30 minutes. After taking out the hanging basket from the primary exchange tank, discharge 20kg of the exchange liquid in the primary exchange tank, and add the prepared fresh ammonium salt solution to the exchange tank at the same time, its mass is 2% more than the exchange liquid in the discharged part . Add the hydrogenated preparation carrier that has been exchanged and desodiumized once in the hanging basket to the secondary exchange tank and soak for 30 minutes. After the hanging basket is t...
Embodiment 3
[0042] Use ammonium acetate as the solute, at 2m 3 Prepare an aqueous ammonium salt solution with a mass fraction of 5% in the dissolution tank, and inject the prepared aqueous ammonium salt solution into three 1m 3 In the exchange tank, each exchange tank is injected with 600kg of ammonium salt solution. Control the temperature of the exchange tank at 55-65°C, add 120kg of the hydrofinishing agent carrier into the hanging basket, add it to the primary exchange tank, and soak for 30 minutes. After taking out the hanging basket from the primary exchange tank, discharge 20kg of the exchange liquid in the primary exchange tank, and add the prepared fresh ammonium salt solution to the exchange tank at the same time, its mass is 2% more than the exchange liquid in the discharged part . Add the hydrogenated preparation carrier that has been exchanged and desodiumized once in the hanging basket to the secondary exchange tank and soak for 30 minutes. After the hanging basket is tak...
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